Tag: "detected" at biology news
"Genetic Factors Influencing Cholesterol Response To Diet"
...d LDL subclass pattern B. This trait,which can be detected
by specialized analytic tests, is found in about one inthree adult men and one in 5 to 6 postmenopausal women. It is not so common inyounger men and premenopausal women. In addition to the presence of unusually small and compact LDLparticles...
Researchers Take Major Step Toward Cracking Ebola Code
...protein in two ways. The secretedglycoprotein was detected
by its ability to bind to cells, using an antibody...nsmembrane (orvirus-bound) form of the protein was detected
by using a technique of moleculargenetics to insert this protein on the surface of another virus---a...
Harvard Medical School Researchers Identify Four Human Genes Essential To Cell Division; Discovery Yields New Target For Cancer Therapies
...ed effect on the target cell. If APC inhibition is detected
followingaddition of a certain compound the chemical that sounded the alarm can becarefully investigated for its clinical suitability. The Kirschner group hasfiled a patent for the biochemical method that they devised for analyzing APCactivity. The a...
UF Researchers Use Gene Therapy To Prevent Hypertension, Organ Damage
...ese. Though high blood pressure is easily detected
and usually controllablewith daily medication, doctors are unsure whether this treatment reversesother hypertension-induced changes in the body, such as heart and kidneydamage. In the UF study, researchers treated rats genetically predisposed...
Age Of Bacterial Meningitis Patients And Subtypes Of Disease Have Changed
Substantially Within Past Decade
...ofcases in 1996. Meningitidis serogroup Y was not detected
in 1989-90, but in1995-96 accounted for over 30% of cases. In 1995-96 72% of adult cases were dueto serogroups C (44%) and Y (28%). Surveillance of meningitidis conductedstatewide in 1997 revealed 73 cases, of which 63% were serogroup Y, 27%serogr...
New Fluorescence Technique For Ultra-Sensitive Enzyme Characterization Developed - Screening Catalytic Activity At The Single-Molecule Level
...me concentrations of one picomole per liter was detected
with high reproducibility. This is at least one order of magnitude more sensitive as compared to other homogeneous endonucleolytic assays. As the authors pointed out, this technique can, in principle, be used for any reaction in which a (...
UPMC Researchers Report On Gene Therapy Advances
...the injectionsite at one leg bone and subsequently detected
them at other organs and bones ofthe treated mice. Presumably, these cells trafficked through the circulatorysystem. While the cells were cleared from other organs at 10 days after theinjection, genetically marked cells remained in the bone 30 days...
Study Suggests Triglyceride Levels May Be Considered An Independent Risk Factor
For Heart Attack In Some People
...tes. Like cholesterol, triglyceride levels can be detected
with a bloodtest. High levels of triglycerides can influence the size, densitydistribution and composition of LDL (low-density lipoprotein) cholesterol -- the"bad" cholesterol -- leading to smaller, denser LDL particles, which are morelikely...
Liquid Crystals Light Up Simple Chemical Test
...edside blood tests. Airor water pollution could be detected
on-site. Pharmaceutical developerscould quickly screen large numbers of drug candidates for desired qualities. Abbott is working now on the next challenge -- making the test give morethan a "yes" or "no" answer. "Right now, the assay can detect a t...
Smog Spreading To South Pacific
...lands, and Ascension Island -- the NASAresearchers detected
significant ozone concentrations that can be traced back tobiomass burnings on distant continents, indicating that the smog created by theburning is long-lasting and migrates great distances. In 1996, for example, two research planes flying ...
Kaposi's Sarcoma Caused By Virus Usually Transmitted Through Homosexual Sex, According To UCSF Study
... of the virus in the body. The researchers detected
these antibodies to HHV-8 in 37.5 percent, or223, of 594 men who reported any homosexual activity in the previous five years. In contrast, these antibodies were not found in any of the 195 exclusivelyheterosexual men studied. "By conducting t...
Echocardiography Is Effective In Measuring Microvascular Damage From Heart Attacks
...rmal functioning. Magnetic resonance imaging(MRI) detected
reduced tissue blood flow only when it was as low as 40 percentof normal functioning. "Our study validates CE as an effective, non-invasive technique formeasuring post-heart attack small vessel obstruction," says Katherine C. Wu,M.D., lead au...
Reduced Nutrients Still Cause Problems In The Neuse And Tar-Pamlico Rivers
...tream samples, 45 were detected. The most commonly detected
pesticides were atrazine, alachlor, metolachlor, and prometon. Generally, concentrations did not exceed drinking-water standards, although drinking-water standards have not been established for all compounds. Of the 47 pesticides tested in ground-...
From The Home Front To The River Front, USGS Updates Water-Quality Information
...taminants in streambed sediment at some sites were detected
at levels potentially harmful to aquatic life. Tr...he food chain. These metals and contaminants were detected
in clam and fish tissues. The use of PCBs, DDT, and chlordane has been banned or restricted for near...
Agriculture and urban activities impact water quality in the South Platte River Basin
...quifer contained at least one pesticide. VOCs were detected
in 86 percent of the wells sampled from the shallo... than one VOC present. The most frequently detected
VOC was methyl tert-butyl ether (MTBE), a gasoline additive used to reduce carbon monoxide emissions...
USGS Says Central Columbia Plateau Water Quality Impaired by Agriculture, But Some Good News
... Williamson said that about half of the pesticides detected
in Central Columbia Plateau wells do not have MCLs established. A lack of information makes it difficult to assess the significance of finding pesticides in drinking water. "Asscientists, we don't know enough yet about what happens when these pestic...
"A Thousand (And More) Points Of Light" Yield New View Into Cells
...ridized) with their RNA partners fluoresce and are detected
usinglight microscopy. Digital images of the fluorescent points are acquired through"optical sectioning" of the hybridized cell. The thousands of points of light(photons) acquired in this way go in and out of focus. The out-of-focus light isreassigne...
Water Quality In Georgia-Florida Coastal Plain Affected By Agricultural And Urban Activities
...PA drinking-water standards. The most frequently detected
pesticides in ground water and streams were the he...tolachlor, and prometon. They were most frequently detected
in agricultural and urban areas. Concentrations of the insecticide diazinon exceeded guidelines fo...
New Airway's 'Smarts' Ensure That Patients Get Plenty Of Oxygen
...he foot-long tubes, emitultrasonic pulses that are detected
by a small receiver on thefront of the patient's neck only if the device is correctlyinserted. "This development takes advantage of human anatomy as wellas one of the fundamental properties of ultrasonic waves -- thatthey don't travel through ai...
15 Drugs, Dyes And Other Chemicals Newly Listed As Known Or Likely Human Carcinogens
...yes. 1,6-DINITROPYRENE. No commercial uses but is detected
in ambientatmospheric samples and as a constituent...dyes. 6-NITROCHRYSENE. Not used commercially, but detected
in ambientatmospheric samples. 1-NITROPYRENE. Not used commercially, detected
in ambient atmospheric...
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